Question: What did Ghent Altarpiece create in 1432?
Paraphrase: What did Ghent Altarpiece invent in 1432?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q734834 p:P571 ?s . ?s ps:P571 ?x filter(contains(YEAR(?x),'1432')) . ?s pq:P31 ?value}